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William Blair
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William Blair Investment Banking Program


At a Glance


“Great colleagues and culture—there’s a ‘no jerk’ factor whatsoever and it’s not tolerated if it ever pops up”

“Level of responsibility and quality of the work—deal flow is fantastic”

“Comp is consistently above the Street”


“Hours can be long—tough lifestyle at times”

“Growing pains of rapidly growing department/firm”

“Lean deal teams means you can be staffed on too many deals at any given time”

The Buzz

“Crushing the middle market”

“Best middle market bank”

“Lots of good opportunities for junior bankers”

“Trying to brand as a boutique but mainly do middle market sell sides”

About William Blair

William Blair is an investment bank headquartered in Chicago, with offices in more than 15 cities on four continents. The firm helps corporations, financial sponsors, and owner/entrepreneurs around the world achieve their growth, liquidity, and financing objectives. Its investment banking group works on corporate board advisory projects, mergers and acquisitions, and equity and debt financing. From 2013 to 2017, the group advised on more than $265 billion in completed transaction volume, 30 percent of which were cross-border M&A transactions, and 60 percent of which were with repeat clients. 

William Blair regularly receives accolades and awards. Among its honors in 2018, the firm was named Mergers & Acquisitions’ “Investment Bank of the Year,” two transactions the firm advised on were recognized by Buyouts (“Deal of the Year” and “International Deal of the Year”), and various bankers were recognized  by Mergers & Acquisitions (“Most Influential Women in M&A”), The Deal (“Consumer/Retail Banker of the Year”), and M&A Awards (“Netherlands Banker of the Year”). In 2017, the firm won two “Deal of the Year” awards from Mergers & Acquisitions, and one of its bankers was named by the magazine as one of the “Most Influential Women in Mid-Market M&A” for the second year in a row. In 2016, the firm was awarded “M&A Deal of the Year” by Buyouts magazine. 

William Blair is led by Chief Executive Officer John Ettelson, and of the firm’s 1,500 employees, approximately 190 are partners.

William Blair

The William Blair Building
150 North Riverside Plaza
Chicago, IL 60606
Phone: (312) 236-1600


Employer Type: Private
President & CEO: John R. Ettelson
2018 Employees (All Locations): 1,500

Major Office Locations

Boston, MA
Chicago, IL
Frankfurt, Germany
London, United Kingdom
New York, NY
San Francisco, CA
São Paulo, Brazil